<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>权限管理</el-breadcrumb-item>
      <el-breadcrumb-item>角色列表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card class="box-card">
      <el-button type="primary" size="small" @click="addDialogVisible = true">添加角色</el-button>
      <el-table :data="rolesList" border stripe>
        <el-table-column type="expand" label="明细">
          <template slot-scope="scope">
            <el-row v-for="(item1, i1) in scope.row.children" :key="item1.id" :class="{ bdbottom: true, bdtop: i1 === 0, vcenter: true }">
              <el-col :span="5">
                <el-tag closable @close="removeRightById(scope.row, item1.id)">{{ item1.authName }}</el-tag>
                <i class="el-icon-caret-right"></i>
              </el-col>
              <el-col :span="19">
                <el-row v-for="(item2, i2) in item1.children" :key="item2.id" :class="{ bdtop: i2 != 0, vcenter: true }">
                  <el-col :span="6">
                    <el-tag type="success" closable @close="removeRightById(scope.row, item2.id)">{{ item2.authName }}</el-tag>
                    <i class="el-icon-caret-right"></i>
                  </el-col>
                  <el-col :span="18">
                    <el-tag type="warning" closable v-for="(item3, i3) in item2.children" :key="item3.id" @close="removeRightById(scope.row, item3.id)">
                      {{ item3.authName }}
                    </el-tag>
                  </el-col>
                </el-row>
              </el-col>
            </el-row>
          </template>
        </el-table-column>
        <el-table-column type="index" label="序号"></el-table-column>
        <el-table-column prop="roleName" label="角色名称"></el-table-column>
        <el-table-column prop="roleDesc" label="角色描述"></el-table-column>
        <el-table-column label="操作">
          <template slot-scope="scope">
            <el-button size="mini" type="primary" icon="el-icon-edit" @click="showEditDialog(scope.row.id)"></el-button>
            <el-button size="mini" type="danger" icon="el-icon-delete" @click="removeRolesById(scope.row.id)"></el-button>
            <el-button size="mini" type="warning" @click="showRightDialog(scope.row)">分配权限</el-button>
          </template>
        </el-table-column>
      </el-table>
    </el-card>

    <el-dialog title="添加角色" :visible.sync="addDialogVisible" width="30%" :close-on-click-modal="false" @close="addRoleClose">
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="100px" class="demo-ruleForm">
        <el-form-item label="角色名称" prop="roleName">
          <el-input v-model="addForm.roleName"></el-input>
        </el-form-item>
        <el-form-item label="角色描述" prop="roleDesc">
          <el-input v-model="addForm.roleDesc"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addRoles">确 定</el-button>
      </span>
    </el-dialog>

    <el-dialog title="编辑角色" :visible.sync="editDialogVisible" width="30%" :close-on-click-modal="false" @close="editDialogClose">
      <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="100px" class="demo-ruleForm">
        <el-form-item label="角色名称" prop="roleName">
          <el-input v-model="editForm.roleName"></el-input>
        </el-form-item>
        <el-form-item label="角色描述" prop="roleDesc">
          <el-input v-model="editForm.roleDesc"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editRole">确 定</el-button>
      </span>
    </el-dialog>

    <el-dialog title="分配权限" :visible.sync="rightDialogVisible" width="40%" :close-on-click-modal="false" @close="rightDialogClose">
      <el-tree ref="treeRef" :data="rightsList" :props="treeProps" node-key="id" show-checkbox default-expand-all :default-checked-keys="defaultKeys"></el-tree>
      <span slot="footer" class="dialog-footer">
        <el-button @click="rightDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="allotRights">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  created() {
    this.getRolesList()
    // this.getRole()
  },
  data() {
    return {
      rolesList: [],
      roleDisplay: [],
      rightsList: [],
      defaultKeys: [],
      roleId:null,
      treeProps: {
        label: 'authName',
        children: 'children',
      },
      addForm: {
        roleName: '',
        roleDesc: '',
      },
      editForm: {},
      addDialogVisible: false,
      editDialogVisible: false,
      rightDialogVisible: false,
      addFormRules: {
        roleName: [{ required: true, message: '请输入角色名称', trigger: 'blur' }],
        roleDesc: [{ required: true, message: '请输入角色描述', trigger: 'blur' }],
      },
      editFormRules: {
        roleName: [{ required: true, message: '请输入角色名称', trigger: 'blur' }],
        roleDesc: [{ required: true, message: '请输入角色描述', trigger: 'blur' }],
      },
    }
  },
  methods: {
    async getRolesList() {
      const { data: res } = await this.$http.get('role_display/')
      // if (res.meta.status !== 200) {
      //   return this.$message.error(res.meta.msg)
      // }
      console.log('rolesList res', res)
      if (typeof(res) === 'string') {
        return this.$message.warning(res)
      }
      this.rolesList = res.data
      console.log('rolesList', this.rolesList)
      // this.$message.success('获取角色成功')
    },
    async getRole() {
      const { data: res } = await this.$http.get('role_display/')
      // if (res.meta.status !== 200) {
      //   return this.$message.error(res.meta.msg)
      // }
      this.roleDisplay = res.data
      console.log('role', res.data)
      // this.$message.success('获取角色成功')
    },
    addRoleClose() {
      this.$refs.addFormRef.resetFields()
    },
    addRoles() {
      this.$refs.addFormRef.validate(async (valid) => {
        if (!valid) {
          return
        }
        const { data: res } = await this.$http.post('roles/', this.addForm)
        // if (res.meta.status !== 201) {
        //   return this.$message.error(res.meta.msg)
        // }
        console.log('addRoles res', res)
        if(typeof(res) === 'string'){
          return this.$message.warning(res)
        }
        this.addDialogVisible = false
        this.getRolesList()
        this.$message.success('添加角色成功')
      })
    },
    async showEditDialog(id) {
      const { data: res } = await this.$http.get(`roles/${id}`)
      // if (res.meta.status !== 200) {
      //   return this.$message.error('查询角色信息失败')
      // }
      if(typeof(res) === 'string'){
        return this.$message.warning(res)
      }            
      this.editForm = res
      console.log('editForm', this.editForm)
      this.editDialogVisible = true
    },
    editRole() {
      this.$refs.editFormRef.validate(async (valid) => {
        if (!valid) {
          return
        }
        const { data: res } = await this.$http.put(`roles/${this.editForm.id}/`, {
          roleName: this.editForm.roleName,
          roleDesc: this.editForm.roleDesc,
        })
        // if (res.meta.status !== 200) {
        //   console.log(res.meta)
        //   return this.$message.error('修改角色失败')
        // }
        console.log('editRole res', res)
        if(typeof(res) === 'string'){
          return this.$message.warning(res)
        }              
        this.editDialogVisible = false
        this.getRolesList()
        this.$message.success('修改角色成功')
      })
    },
    editDialogClose() {
      this.$refs.editFormRef.resetFields()
    },
    removeRolesById(id) {
      this.$confirm('确定要删除该角色吗?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning',
      }).then(async () => {
        const { data: res } = await this.$http.delete(`roles/${id}`)
        console.log('removeRolesById res', res)
        if(res === '没有权限'){
          return this.$message.warning(res)
        }              
        // if (res.meta.status !== 200) {
        //   return this.$message.error('删除角色失败')
        // }
        this.getRolesList()
        this.$message.success('删除角色成功')
      })
    },
    async removeRightById(role, rightId) {
      this.$confirm('确定要删除该权限吗?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning',
      }).then(async () => {
        const { data: res } = await this.$http.delete(`roles/${role.id}/rights/${rightId}/`)
        console.log('delete res', res)
        if (typeof(res) === 'string'){
          return this.$message.warning(res)
        }
        if (res.meta.status !== 200) {
          return this.$message.error('删除权限失败')
        }
        // console.log('delete res', res.data)
        role.children = res.data.children
        // this.getRolesList()
        this.$message.success('删除权限成功')
      })
    },
    rightDialogClose() {
      this.defaultKeys = []
    },
    async showRightDialog(role) {
      const { data: res } = await this.$http.get('rights/tree/')
      console.log('showRightDialog res', res)
      if(typeof(res) === 'string'){
          return this.$message.warning(res);
      }      
      if (res.meta.status !== 200) {
        return this.$message.error('获取权限失败')
      }
      this.rightsList = res.data
      this.roleId = role.id
      this.getLeafKeys(role)
      console.log('defaultKeys role', role)
      console.log('defaultKeys', this.defaultKeys)
      this.rightDialogVisible = true
    },
    getLeafKeys(node){
      if(!node.children){
        return this.defaultKeys.push(node.id)
      }
      node.children.forEach(item => {
        this.getLeafKeys(item)
      });
    },
    async allotRights() {
       const keys = this.$refs.treeRef.getCheckedKeys().concat(this.$refs.treeRef.getHalfCheckedKeys())
       const idStr = keys.join(',')
       console.log('idStr', idStr)
       const { data: res } = await this.$http.post(`roles/${this.roleId}/rights/`,{
         rids:idStr
       })
       console.log('allot res', res)
       if(typeof(res) === 'string'){
         return this.$message.warning(res)
       }
       if(res.meta.status !== 200){
         return this.$message.error('更新权限失败')
       }
       this.rightDialogVisible = false
       this.getRolesList()
       this.$message.success('更新权限成功')
    },
  },
}
</script>
<style lang="less" scoped>
.el-tag {
  margin: 6px;
}
.bdbottom {
  border-bottom: 1px solid #eee;
}
.bdtop {
  border-top: 1px solid #eee;
}
.vcenter {
  display: flex;
  align-items: center;
}
</style>